lumbar vein


n.

Any of five veins that accompany the lumbar arteries, drain the posterior body wall and lumbar vertebral venous plexuses, and terminate in the ascending lumbar vein, the inferior vena cava, or in the iliolumbar vein.

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This tall, horizontally branched cactus is probably the most recognizable cactus in Arizona. What is it called?
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.